####018002110#### FZUS53 KLOT 172000 NSHLOT Nearshore Marine Forecast National Weather Service Chicago/Romeoville IL 300 PM CDT Thu Jul 17 2025 For waters within five nautical miles of shore on Lake Michigan Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the waves, along with the average height of the highest 10 percent of the waves which will occasionally be encountered. LMZ740>743-180330- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN- 300 PM CDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...North winds 15 to 20 kt becoming northeast 10 to 15 kt late. Mostly cloudy in the evening, then becoming partly cloudy. Waves 3 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. .FRIDAY...East winds 10 to 15 kt diminishing to 5 to 10 kt. Partly cloudy. Waves 3 to 5 ft subsiding to 1 to 3 ft. .FRIDAY NIGHT...East winds 5 to 10 kt becoming south overnight. Chance of showers and thunderstorms, mainly after midnight. Waves 1 to 2 ft. .SATURDAY...South winds 10 to 15 kt becoming southwest. Showers and thunderstorms likely. Waves 1 to 2 ft. $$ LMZ744-745-180330- Gary to Burns Harbor IN-Burns Harbor to Michigan City IN- 300 PM CDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...North winds 15 to 20 kt becoming east 10 to 15 kt late. Mostly cloudy in the evening, then becoming partly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft. .FRIDAY...East winds 10 to 15 kt becoming northeast 5 to 10 kt in the afternoon. Partly cloudy. Waves 3 to 5 ft subsiding to 1 to 2 ft. .FRIDAY NIGHT...East winds 5 to 10 kt becoming south overnight. Chance of showers and thunderstorms, mainly after midnight. Waves 1 to 2 ft. .SATURDAY...South winds 10 to 15 kt becoming southwest in the afternoon. Showers and thunderstorms likely. Waves around 1 ft. $$ ####018007483#### FZUS51 KBUF 172004 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 403 PM EDT Thu Jul 17 2025 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LEZ020-180300- Upper Niagara River and Buffalo Harbor- 403 PM EDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...West winds 5 to 15 knots becoming north. Mostly cloudy. .FRIDAY...Northeast winds 10 knots or less becoming north. Sunny. .FRIDAY NIGHT...Light and variable winds. Mainly clear in the evening, then becoming partly cloudy. .SATURDAY...Light and variable winds becoming southwest 5 to 10 knots. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds 10 knots or less becoming northwest. Showers likely with a chance of thunderstorms. .SUNDAY...North winds 10 knots or less. A chance of showers during the day. .MONDAY...Northeast winds less than 10 knots. Mainly clear. .TUESDAY...Southeast winds 10 knots or less becoming south. Partly cloudy. Winds and waves higher in and near thunderstorms. The water temperature off Buffalo is 78 degrees. $$ LOZ030-180300- Lower Niagara River- 403 PM EDT Thu Jul 17 2025 .TONIGHT...Northwest winds 15 to 20 knots becoming north 5 to 15 knots. Mostly cloudy. .FRIDAY...Northeast winds 10 knots or less. Sunny. .FRIDAY NIGHT...Northeast winds less than 10 knots. Mainly clear in the evening, then becoming partly cloudy. .SATURDAY...Light and variable winds becoming south 5 to 10 knots. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds 5 to 10 knots becoming northwest. A chance of showers and thunderstorms. .SUNDAY...North winds 10 knots or less. A chance of showers during the day. .MONDAY...Northeast winds 10 knots or less becoming southeast. Mainly clear. .TUESDAY...Southeast winds 5 to 10 knots becoming south. Partly cloudy. Winds and waves higher in and near thunderstorms. $$ LEZ040-041-180300- Buffalo to Ripley along Lake Erie- 403 PM EDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .TONIGHT...West winds 15 to 20 knots becoming north 5 to 15 knots. Mostly cloudy. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 9 feet. .FRIDAY...Northeast winds 10 knots or less becoming north. Sunny. Waves 2 feet or less. .FRIDAY NIGHT...North winds less than 10 knots. Mainly clear in the evening, then becoming partly cloudy. Waves 1 foot or less. .SATURDAY...South winds 10 knots or less becoming southwest. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Southwest winds 5 to 10 knots becoming west. Showers likely with a chance of thunderstorms. Waves 2 feet or less. .SUNDAY...North winds 5 to 10 knots becoming northeast. A chance of showers and thunderstorms during the day. Waves 2 feet or less. .MONDAY...Northeast winds 10 knots or less becoming southeast. Mainly clear. Waves 1 foot or less. .TUESDAY...Southeast winds 5 to 10 knots becoming south. A chance of showers Tuesday night. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ042-180300- Niagara River to Hamlin Beach along Lake Ontario- 403 PM EDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT FRIDAY... .TONIGHT...Northwest winds to 30 knots becoming north and diminishing to 10 to 15 knots after midnight. Mostly cloudy. Waves 5 to 9 feet subsiding to 2 to 4 feet. Waves occasionally around 11 feet. .FRIDAY...Northeast winds 10 knots or less. Sunny. Waves 1 to 3 feet subsiding to 1 foot or less. .FRIDAY NIGHT...East winds 10 knots or less becoming south. Mainly clear in the evening, then becoming partly cloudy. Waves 1 foot or less. .SATURDAY...Southeast winds 10 knots or less becoming east. A chance of showers in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Southeast winds 5 to 10 knots becoming northwest. A chance of showers and thunderstorms. Waves 2 feet or less. .SUNDAY...North winds 10 to 15 knots. Becoming mainly clear. Waves 1 to 2 feet. .MONDAY...Northeast winds 5 to 10 knots becoming southeast. Mainly clear. Waves 2 feet or less. .TUESDAY...Southeast winds 5 to 10 knots becoming south. Partly cloudy. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ043-044-180300- Hamlin Beach to Mexico Bay along Lake Ontario including Irondequoit Bay- 403 PM EDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .TONIGHT...West winds to 30 knots becoming north and diminishing to 15 to 20 knots. Mostly cloudy. Waves 8 to 11 feet subsiding to 3 to 6 feet. Waves occasionally around 14 feet. .FRIDAY...North winds 5 to 15 knots diminishing to less than 10 knots. Sunny. Waves 2 to 4 feet subsiding to 1 foot or less. .FRIDAY NIGHT...North winds 10 knots or less becoming south. Mainly clear in the evening, then becoming partly cloudy. Waves 1 foot or less. .SATURDAY...South winds 5 to 10 knots becoming east. A chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Southeast winds 5 to 10 knots becoming northwest. Showers likely with a chance of thunderstorms. Waves 2 feet or less. .SUNDAY...Northwest winds 10 to 15 knots becoming north. A chance of showers during the day. Waves 1 to 3 feet. .MONDAY...North winds 10 knots or less becoming south. Mainly clear. Waves 2 feet or less. .TUESDAY...South winds 5 to 10 knots. Partly cloudy. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. The water temperature off Rochester is 55 degrees. $$ LOZ045-180300- Mexico Bay to the Saint Lawrence River along Lake Ontario- 403 PM EDT Thu Jul 17 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .TONIGHT...West winds 15 to 25 knots becoming north 15 to 20 knots. Mostly cloudy. Waves 7 to 10 feet subsiding to 3 to 5 feet. Waves occasionally around 13 feet. .FRIDAY...North winds 5 to 10 knots becoming west. Sunny. Waves 1 to 3 feet subsiding to 1 foot or less. .FRIDAY NIGHT...West winds 5 to 10 knots becoming south. Mainly clear in the evening, then becoming partly cloudy. Waves 1 foot or less. .SATURDAY...South winds 5 to 10 knots becoming southwest. A chance of showers and thunderstorms in the afternoon. Waves 1 foot or less. .SATURDAY NIGHT...Southwest winds 5 to 10 knots becoming northwest. A chance of showers and thunderstorms. Waves 2 feet or less. .SUNDAY...North winds 5 to 10 knots. A chance of showers during the day. Waves 2 feet or less. .MONDAY...North winds 5 to 10 knots becoming south. Mainly clear. Waves 1 foot or less. .TUESDAY...South winds 5 to 15 knots. Mainly clear, then becoming partly cloudy. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$